140812845 has 16 divisors (see below), whose sum is σ = 227490432. Its totient is φ = 74370240.

The previous prime is 140812807. The next prime is 140812871. The reversal of 140812845 is 548218041.

It is not a de Polignac number, because 140812845 - 2⁸ = 140812589 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44026 + ... + 47115.

It is an arithmetic number, because the mean of its divisors is an integer number (14218152).

Almost surely, 2^140812845 is an apocalyptic number.

140812845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140812845 is a deficient number, since it is larger than the sum of its proper divisors (86677587).

140812845 is a wasteful number, since it uses less digits than its factorization.

140812845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91252.

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 140812845 is about 11866.4588230862. The cubic root of 140812845 is about 520.2523984272.

The spelling of 140812845 in words is "one hundred forty million, eight hundred twelve thousand, eight hundred forty-five".